Williams, Alan Summary video of Northern Opera project first phase (March 2015) This is a video which summarises the R and D phase of the Northern Voices opera project which was the first attempt at developing a methodology for opera singers to learn to sing in non-RP accents<br> opera;Music Composition;Music Performance 2018-11-26
    https://salford.figshare.com/articles/media/Summary_video_of_Northern_Opera_project_first_phase_March_2014_/5114128
10.17866/rd.salford.5114128.v2